Coustic XM6 Manuel d'utilisateur télécharger pdf (Page 6)

To be ANSI/TIA-470.130-C

5.4.4.4 Method of Measurement........................................................................18

5.4.5 Headset Send Distortion ..................................................................................19

5.4.5.1 Headset Send Amplitude Normalized Total Harmonic Distortion

(ANTHD) ........................................................................................19

5.4.5.2 Headset Send ANTHD with a Parallel set.............................................19

5.4.6 Headset Send Noise .........................................................................................20

5.4.6.1 Headset Off-Hook Noise .......................................................................20

5.4.6.1.1 Requirement............................................................................................................... 20

5.4.6.1.2 Method of Measurement ............................................................................................ 20

5.4.6.2 Headset On-Hook Noise........................................................................20

5.4.6.2.1 Requirement............................................................................................................... 20

5.4.6.2.2 Method of Measurement ............................................................................................ 20

5.4.6.3 Headset Off-Hook Send Single Frequency Interference .......................21

5.4.6.3.1 General....................................................................................................................... 21

5.4.6.3.2 Requirement............................................................................................................... 21

5.4.6.3.3 Measurement Method ................................................................................................ 21

5.4.7 Headset Send Muting.......................................................................................21

5.4.7.1 Requirement ..........................................................................................21

5.4.7.2 Method of Measurement........................................................................21

5.5 RECEIVE PERFORMANCE ....................................................................................................22

5.5.1 General.............................................................................................................22

5.5.2 Headset Receive Frequency Response.............................................................22

5.5.2.1 Requirement ..........................................................................................22

5.5.2.2 Method of Measurement........................................................................23

5.5.3 Headset Receive Loudness Rating (RLR)........................................................24

5.5.3.1 Basic Requirement.................................................................................24

5.5.3.2 Parallel Set Off-Hook Requirement ......................................................24

5.5.3.3 Conference Mode Requirement.............................................................24

5.5.3.3.1 Requirement............................................................................................................... 24

5.5.3.3.2 Method of Measurement ............................................................................................ 24

5.5.4 Headset Receive Linearity ...............................................................................25

5.5.4.1 Requirement (Sinusoidal Stimulus).......................................................25

5.5.4.2 Method of Measurement........................................................................25

5.5.4.3 Requirement (Artificial Speech Stimulus) ............................................25

5.5.4.4 Method of Measurement........................................................................25

5.5.5 Headset Receive Distortion..............................................................................26

5.5.5.1 Headset Receive Amplitude Normalized Total Harmonic Distortion

(ANTHD) ........................................................................................26

5.5.5.2 Receive ANTHD with a Parallel set......................................................26

5.5.6 Headset Receive Noise.....................................................................................27

5.5.6.1 Headset Off-Hook Noise .......................................................................27

5.5.6.1.1 Requirement............................................................................................................... 27

5.5.6.1.2 Method of Measurement ............................................................................................ 27

5.5.6.2 Headset Off-Hook Receive Single Frequency Interference...................27

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Coustic XM6 Manuel d'utilisateur Page 6

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